The storm had nearly killed him.
Captain Elias Thorne clung to the wreckage of his small fishing boat, waves crashing over his head as lightning split the sky. He was a rugged 34-year-old fisherman from the coastal village of Blackharbor — broad shoulders, thick arms, and a body hardened by years at sea. Just when he thought the ocean would claim him, something strong wrapped around his waist and pulled him under.
He blacked out.
When he woke, he was lying on a smooth rock ledge inside a hidden sea cave. Soft blue bioluminescent light glowed from the walls. And kneeling over him was the most beautiful creature he had ever seen.
She was a mermaid princess.
Her name was Lirael. Long flowing silver-blue hair cascaded down her back, framing a face with high cheekbones, full lips, and large luminous turquoise eyes. Her upper body was that of a goddess — full, heavy breasts barely covered by strands of pearls and seaweed, a narrow waist, and smooth, pale skin that shimmered like moonlight on water. From the hips down, she had a long, powerful emerald-green tail that sparkled with iridescent scales.
“You are alive, human,” she whispered, her voice like soft waves. “I saved you.”
Elias sat up slowly, staring at her in awe. “You’re… real.”
Lirael smiled shyly. “I am the youngest princess of the Coral Throne. My father would be furious if he knew I brought a human here.”
As she leaned closer to check his wounds, her heavy breasts brushed against his chest. Elias felt his cock twitch hard inside his torn shorts. He tried to hide it, but Lirael noticed immediately. Her eyes widened.
“What is that?” she asked curiously, reaching down.
Before he could stop her, her delicate fingers brushed over the massive bulge. Elias was already rock hard. And he was big — thick, veiny, and nearly ten inches when fully erect.
Lirael gasped. “It’s so… massive. Human males are this large?”
Elias groaned as her fingers explored him through the fabric. “Princess… you shouldn’t—”
“I have never mated with a human,” she confessed, cheeks glowing pink. “But I have heard stories. That your kind can be… overwhelming.”
The tension snapped.
Elias pulled her into a deep kiss. Lirael moaned into his mouth, her tail flicking excitedly in the shallow water. She tasted like salt and sweet nectar. Her hands frantically tugged at his shorts until his massive cock sprang free, thick and throbbing, the head already leaking precum.
“By the depths…” Lirael whispered in reverence. She wrapped both hands around his enormous shaft, barely able to close her fingers. “It’s bigger than the dolphins my sisters joke about.”
She lowered her head and took him into her warm mouth. Her tongue was incredibly soft and slightly rough, like fine sandpaper, sending electric pleasure through him. Lirael sucked eagerly, gagging as she tried to take more of his massive length down her throat. Drool ran down her chin and onto her perfect tits.
Elias groaned and gently held her silver hair. “Fuck, Princess… your mouth feels incredible.”
After several minutes of sloppy, eager cock worship, Lirael pulled back, eyes glassy with lust.
“I want you inside me,” she begged. “I want this massive human cock to claim my royal pussy.”
She floated back into the deeper water of the cave pool and lifted her tail. With a soft shimmer of magic, the scales along her front parted, revealing a slick, glowing, puffy pink slit that looked almost human but shimmered with bioluminescence.
Elias entered the water and positioned himself between her tail. He rubbed the fat head of his massive cock up and down her magical entrance. Lirael whimpered, hips — or rather tail — twitching.
“Please… be gentle at first,” she whispered. “I am untouched by any male.”
He pushed forward.
The head of his massive cock popped inside her incredibly tight heat. Lirael cried out, her tail thrashing, sending water splashing everywhere. Inch after thick inch sank into the mermaid princess. Her magical pussy stretched obscenely around his girth, glowing brighter with every inch.
“It’s splitting me!” she moaned, but her voice was filled with pleasure. “Your massive cock is so deep!”
Elias started thrusting, slow and powerful. The water made the movements smooth and weightless. He fucked her floating in the pool, watching her huge tits bounce with every stroke. Lirael’s tail wrapped around his waist, pulling him deeper.
“Yes! Harder! Fill your mermaid princess with that massive human cock!”
He pounded her harder. The wet slapping sounds echoed through the cave. Lirael came violently, her pussy clamping down and pulsing around him, glowing bright turquoise as she squirted sweet nectar into the water.
But Elias wasn’t done.
He carried her to the rock ledge, laying her on her back. Her tail hung in the water while her upper body rested on the smooth stone. In this position he could truly rail her. He slammed into her royal pussy with deep, brutal strokes, watching her belly bulge slightly every time his massive cock bottomed out.
Lirael screamed in ecstasy, cumming again and again. Her hands gripped his shoulders, nails digging in.
“Breed me!” she begged. “Fill this princess womb with your human seed!”
Elias roared and unleashed. Thick, heavy ropes of cum flooded her magical pussy, so much that it overflowed and leaked down her shimmering tail. He kept pumping until he was drained.
They rested for only a short while before Lirael’s lust returned. She flipped over, raising her tail high, presenting her dripping, gaping pussy.
“Again,” she demanded. “I want more of that massive cock.”
The night became a blur of raw, explicit mating.
He fucked her in the water, against the cave walls, even while she used her tail to coil around him in mid-air suspension. At one point she rode him reverse, her beautiful ass and tail bouncing as she impaled herself on his huge shaft, moaning like a wanton slut.
By morning, the proper, royal mermaid princess had been turned into a complete size queen for human cock.
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